137397976 has 16 divisors (see below), whose sum is σ = 260173440. Its totient is φ = 68018400.

The previous prime is 137397973. The next prime is 137397977. The reversal of 137397976 is 679793731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137397973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84216 + ... + 85831.

It is an arithmetic number, because the mean of its divisors is an integer number (16260840).

Almost surely, 2^137397976 is an apocalyptic number.

It is an amenable number.

137397976 is a deficient number, since it is larger than the sum of its proper divisors (122775464).

137397976 is a wasteful number, since it uses less digits than its factorization.

137397976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170154 (or 170150 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 52.

The square root of 137397976 is about 11721.6882743059. The cubic root of 137397976 is about 516.0123687518.

The spelling of 137397976 in words is "one hundred thirty-seven million, three hundred ninety-seven thousand, nine hundred seventy-six".